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Shop the best prices on 4,172 great value gas detectors. Shopping for gas detectors is easy with Fruugo, with SALE discounts, offers and savings on Viewleaf, Generic1, GreenZech and more. Buy gas detectors online safely with Fruugo, with secure payment and fast shipping to Canada.

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257 - 288 of 3,200
TPM-200A Carbon Monoxide Sensor Module Interference-Resistant High-Precision CO Air Quality Detection Sensor Module
From $8.95
Dtecteur de gaz 4 en 1 CO H2S O2 LEL Mesure prcise Son Lumire Vibration Alarme Affichage rtroclair Dtecteur de gaz
From $129.00
Rm370 Carbon Monox Detector
From $64.00
Digital Gas Leak Detector Alarm Sensor Propane Butane Methane Natural Gas Sensor
From $36.95
6in1 Digital Air Quality Monitor Detector Formaldehyde TVOC White
From $54.00
X4a Temperature Humidity Tester Meter Combustible Gas Natural Gas Detector Sensor Leak Alarm Indic Viewleaf
From $47.95
PM2.5 Dust Detector, Household Indoor Laser Meter, Gas Detector
From $69.00
Methane Gas Sensor Module Catalytic Methane Gas Sensor Module SC4-CH4 Combustible Gas Leakage Monitor-SFYGV
From $34.95
Multimeter Probes, Electronic Multimeter Test Lead Kit With Alligator Clips, 1000v20a Detector Pen And Smd Test Lead For Multimeters
From $59.00
Smart Sensor CO Meter: Handheld Carbon Monoxide Monitor with High Precision, Sound & Light Alarm, LCD Display & CO Gas Tester Gauge
From $109.00
Handheld Flammable Gas Methane Natural Gas Leak Tester With Sound Light Alarm
From $36.95
2X MQ136 Hydrogen Sulfide Gas Sensor Module H2S Gas Detection Sensor Module High Sensitivity Sensor Module
From $54.00
For 3 in 1 CO2 Meter Air Quality Monitor Handheld 5000Ppm CO2 Monitor Measurement Carbon Dioxide / De
From $54.00
Tuya 10 In 1 Wifi Detector Co2 Er Mon Pm2.5 Pm10 Tvoc Hcho Inf
From $279.00
O2 Electrochemical Oxygen Sensor Module Analog Voltage Output Compatible with STM32 Oxygen Concentration Detection
From $41.95
5 in 1 CO2 Meter Temperature Humidity Sensor Air Quality Monitor Carbon Dioxide TVOC Formaldehyde H
From $99.00
Leak Detector Portable HVAC Leakage Tester With Long Probe And Leakage Analyzer
From $149.00
Suitable for oxygen sensor AO-02 gas detector. Compatible with AO2 AA428-210 AO2PTB-18.10
From $159.00
WJL-6000-L Freon Leak Detector Halogen Leak Detector Refrigerant Gas HVAC R22 R410A R1234YF Detector
From $99.00
Air quality measurement Carbon dioxide detector CO2 detector Indoor and outdoor temperature and humi
From $189.00
ANENG GN801 Gas-sensitive Semi-conduct Detector 300~10000PPM Gas Leakage Analyzer Combustible Meter Environment Test Sensor Tool
From $39.95
Smart Plug-in Gas Detector Built for Methane and Butane Detection
From $129.00
Halogen Leak Detector With LED Light Air Conditioning HVAC Refrigerant Leak Detector R22a R134a CFC HFC HCFC Freon Gas Tester
From $69.00
O3 Ozone Meter Ozone Analyzer Air Detector Intelligent Sensor Ozone Counter Air Quality Pollution Monitor(,)
From $139.00
MQ136 Hydrogen Sulfide Gas Sensor Module H2S Gas Detection Sensor Module High Sensitivity Sensor Mo
From $29.95
Carbon dioxide detector, black plastic shell, high-precision, calibration-Free, suitable for multiple scenarios YF,New 2026
From $119.00
Multi Gas Detector Gas Meter O2 H2S CO 4 in 1 Oxygen Hydrogen Sulfide Carbon Monoxide Combustible Ga,New 2026
From $389.00
Home Plug-In Combustible Gas Leak Detector LCD Screen 85dB Alarm High Precision Sensor Natural LPG Propane Butane Indoor Air Monitor
From $31.95
Gas Leak Detector with Rapid Alarm and Light for HVAC Refrigerant Leak Detection Tools
From $54.00
AO-06 Oxygen Sensor Oxygen Concentration Level Detection Sensor Replaces the MOX4 for Gas Monitoring
From $44.95
MQ135 Air Quality Sensor Module with Reliable Analog Output for Arduino, Gas Detection Board
From $25.95
Handheld Water Quality Detector Probe Plug Type H2 Test Pen IP67 Waterproof YY400H
From $54.00